In an experiment to investigate a medication’s effect,researchers randomly assign 60 volunteers to receive10 mg, 20 mg, or 30 mg of the medication. What is oneof the limitations of this experiment?A) The conclusions will be questionable because thedesign has no blocking.B) The conclusions will be questionable because nogroup gets a placebo. C) The conclusions cannot be generalized to a popula-tion because the subjects are volunteers. D) The conclusions will be questionable because thereare only 20 subjects in each group.E) The conclusions will be questionable because eachsubject is not given all of the doses.
In an experiment to investigate a medication’s effect,researchers randomly assign 60 volunteers to receive10 mg, 20 mg, or 30 mg of the medication. What is oneof the limitations of this experiment?A) The conclusions will be questionable because thedesign has no blocking.B) The conclusions will be questionable because nogroup gets a placebo. C) The conclusions cannot be generalized to a popula-tion because the subjects are volunteers. D) The conclusions will be questionable because thereare only 20 subjects in each group.E) The conclusions will be questionable because eachsubject is not given all of the doses.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.6: Summarizing Categorical Data
Problem 28PPS
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Question
In an experiment to investigate a medication’s effect,
researchers randomly assign 60 volunteers to receive
10 mg, 20 mg, or 30 mg of the medication. What is one
of the limitations of this experiment?
A) The conclusions will be questionable because the
design has no blocking.
B) The conclusions will be questionable because no
group gets a placebo.
researchers randomly assign 60 volunteers to receive
10 mg, 20 mg, or 30 mg of the medication. What is one
of the limitations of this experiment?
A) The conclusions will be questionable because the
design has no blocking.
B) The conclusions will be questionable because no
group gets a placebo.
C) The conclusions cannot be generalized to a popula-
tion because the subjects are volunteers.
tion because the subjects are volunteers.
D) The conclusions will be questionable because there
are only 20 subjects in each group.
E) The conclusions will be questionable because each
subject is not given all of the doses.
are only 20 subjects in each group.
E) The conclusions will be questionable because each
subject is not given all of the doses.
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